code: def setUpClass(cls):
      cls.kwargs = {"hosts": "localhost:9200"}
      cls.handler = ElasticsearchHandler(
          "test_elasticsearch_handler", cls.kwargs
      )
  
file_path: mindsdb/mindsdb/integrations/handlers/elasticsearch_handler/tests/test_elasticsearch_handler.py
imports: import unittest
  from mindsdb.integrations.handlers.elasticsearch_handler.elasticsearch_handler import ElasticsearchHandler
  from mindsdb.api.executor.data_types.response_type import RESPONSE_TYPE
label_desc: Use image node_id 1 for calling the ElasticsearchHandlerTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types